// PathFilter.cs
//
// Copyright 2005 John Reilly
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// Linking this library statically or dynamically with other modules is
// making a combined work based on this library.  Thus, the terms and
// conditions of the GNU General Public License cover the whole
// combination.
// 
// As a special exception, the copyright holders of this library give you
// permission to link this library with independent modules to produce an
// executable, regardless of the license terms of these independent
// modules, and to copy and distribute the resulting executable under
// terms of your choice, provided that you also meet, for each linked
// independent module, the terms and conditions of the license of that
// module.  An independent module is a module which is not derived from
// or based on this library.  If you modify this library, you may extend
// this exception to your version of the library, but you are not
// obligated to do so.  If you do not wish to do so, delete this
// exception statement from your version.

//  2010-08-13  Sky Sanders - Modified for Silverlight 3/4 and Windows Phone 7

using System;
using System.IO;

namespace Salient.SharpZipLib.Core
{
    /// <summary>
    ///   NameAndSizeFilter filters based on name and file size.
    /// </summary>
    /// <remarks>
    ///   A sample showing how filters might be extended.
    /// </remarks>
    [Obsolete("Use ExtendedPathFilter instead")]
    public class IsolatedNameAndSizeFilter : IsolatedPathFilter
    {
        #region Fields

        private long maxSize_ = long.MaxValue;

        private long minSize_;

        #endregion

        #region Constructors

        /// <summary>
        ///   Initialise a new instance of NameAndSizeFilter.
        /// </summary>
        /// <param name = "filter">The filter to apply.</param>
        /// <param name = "minSize">The minimum file size to include.</param>
        /// <param name = "maxSize">The maximum file size to include.</param>
        public IsolatedNameAndSizeFilter(string filter, long minSize, long maxSize)
            : base(filter)
        {
            MinSize = minSize;
            MaxSize = maxSize;
        }

        #endregion

        #region Properties

        /// <summary>
        ///   Get/set the maximum size for a file that will match this filter.
        /// </summary>
        public long MaxSize
        {
            get { return maxSize_; }
            set
            {
                if ((value < 0) || (minSize_ > value))
                {
                    throw new ArgumentOutOfRangeException("value");
                }

                maxSize_ = value;
            }
        }

        /// <summary>
        ///   Get/set the minimum size for a file that will match this filter.
        /// </summary>
        public long MinSize
        {
            get { return minSize_; }
            set
            {
                if ((value < 0) || (maxSize_ < value))
                {
                    throw new ArgumentOutOfRangeException("value");
                }

                minSize_ = value;
            }
        }

        #endregion

        #region Public Methods

        /// <summary>
        ///   Test a filename to see if it matches the filter.
        /// </summary>
        /// <param name = "name">The filename to test.</param>
        /// <returns>True if the filter matches, false otherwise.</returns>
        public override bool IsMatch(string name)
        {
            bool result = base.IsMatch(name);

            if (result)
            {
                FileInfo fileInfo = new FileInfo(name);
                long length = fileInfo.Length;
                result =
                    (MinSize <= length) &&
                    (MaxSize >= length);
            }
            return result;
        }

        #endregion

    }
}
